fix some typos

ch01/a-assembly-dereference/src/main.rs

@@ -4,7 +4,7 @@
 //! ## FIX ISSUE #11:
 //! See:https://github.com/PacktPublishing/Asynchronous-Programming-in-Rust/issues/11
 //! The book didn't make it clear that this example will only work on `x86-64` architecture,
-//! so users on newer M-series macs (which uses the ARM64 instruciton set), will get a
+//! so users on newer M-series macs (which uses the ARM64 instruction set), will get a
 //! compilation error. This is solved by conditionally compiling a version that works
 //! with the  ARM64 instruction set.
 

ch03/a-raw-syscall/src/main.rs

@@ -50,7 +50,7 @@ fn syscall(message: String) {
 }
 
 // ----------------------------------------------------------------------------
-// macOS raw syscall when running newer M familiy CPU (ARM 64 architecture)
+// macOS raw syscall when running newer M family CPU (ARM 64 architecture)
 // ----------------------------------------------------------------------------
 
 #[cfg(all(target_os = "macos", target_arch = "aarch64"))]

ch04/a-epoll/src/poll.rs

@@ -45,7 +45,7 @@ impl Poll {
             return Err(io::Error::last_os_error());
         };
 
-        // This is safe because epol_wait ensures that `res` events are assigned.
+        // This is safe because epoll_wait ensures that `res` events are assigned.
         unsafe { events.set_len(res as usize) };
         Ok(())
     }

ch05/d-fibers-closure/src/main.rs

@@ -197,7 +197,7 @@ unsafe fn switch() {
     );
 }
 
-// The main function has aslo changed
+// The main function has also changed
 #[cfg(not(windows))]
 pub fn main() {
     let mut runtime = Runtime::new();

ch07/corofy/src/lib.rs

@@ -295,7 +295,7 @@ impl Future for Coroutine{id} {{
         // We need to special case the first call since that
         // happens before we reach an `await` point
 
-        // This will recieve the input args to the function
+        // This will receive the input args to the function
         let impl_fut_first_args = format_args_names_only(&args);
 
         if i == 0 {
@@ -332,7 +332,7 @@ impl Future for Coroutine{id} {{
 "
             )?;
 
-        // These steps are await-ponts where we await a future
+        // These steps are await-points where we await a future
         } else if i < steps.len() - 1 {
             let varname = &futures[i - 1].0;
             let fut = &futures[i].1;

delayserver/src/main.rs

@@ -4,9 +4,9 @@ use actix_web::{Responder, get, HttpServer, App, web, rt::time::sleep};
 const EXPLANATION: &str =
 "USAGE:
 Delay server works by issuing a http GET request in the format:
-http://localhost:8080/[delay in ms]/[UrlEncoded meesage]
+http://localhost:8080/[delay in ms]/[UrlEncoded message]
 
-On reception, it immidiately reports the following to the console:
+On reception, it immediately reports the following to the console:
 {Message #} - {delay in ms}: {message}
 
 The server then delays the response for the requested time and echoes the message back to the caller.